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Gastroenterologists in Rockford, IL

Gastroenterologists specialise in the digestive system: stomach, intestines, liver and pancreas. Below are 25 gastroenterologists with a practice in Rockford, Illinois, from the federal NPI Registry, with what to bring and ask so your visit counts.

Gastroenterologists in Rockford

  1. Michael J. Manley, MD Gastroenterology Rockford, IL 61107
  2. Altaf Dawood, MD Gastroenterology Rockford, IL 61103
  3. Shakil A. Karim, DO Gastroenterology Rockford, IL 61104
  4. Richard B. Gilmore, MD Gastroenterology Rockford, IL 61103
  5. Arnold M. Rosen, MD Gastroenterology Rockford, IL 61107
  6. Mark T. Shiels, MD Gastroenterology Rockford, IL 61107
  7. Robert L. Barclay, MD Gastroenterology Rockford, IL 61107
  8. Clinton T. Snedegar, MD Gastroenterology Rockford, IL 61107
  9. Aaron J. Shiels, MD Gastroenterology Rockford, IL 61107
  10. Sunil S. Patel, MD Gastroenterology Rockford, IL 61107
  11. Roger L. Greenlaw, MD Gastroenterology Rockford, IL 61107
  12. S C. Moore, MD Gastroenterology Rockford, IL 61107
  13. Sumeet K. Tewani, MD Gastroenterology Rockford, IL 61107
  14. Talha Qureshi, MD Gastroenterology Rockford, IL 61107
  15. William N. Baskin, MD Gastroenterology Rockford, IL 61107
  16. Steven O. Ikenberry, MD Gastroenterology Rockford, IL 61107
  17. Joseph J. Vicari, MD Gastroenterology Rockford, IL 61107
  18. Kevin J. Peifer, MD Gastroenterology Rockford, IL 61107
  19. Chandrashekhar Thukral, MD Gastroenterology Rockford, IL 61107
  20. James T. Frakes, MD, MS Gastroenterology Rockford, IL 61107
  21. George C. Tannous, MD Gastroenterology Rockford, IL 61107
  22. Ilche T. Nonevski, MD Gastroenterology Rockford, IL 61107
  23. John J. Deguide, MD Gastroenterology Rockford, IL 61107
  24. Hasan Bader, MD Gastroenterology Rockford, IL 61107
  25. Nabil D. Baddour, DO, MPH Gastroenterology Rockford, IL 61107

Listings come from the CMS NPPES NPI Registry, the public federal record of licensed providers, checked October 2026. Being listed is not a recommendation or an endorsement, and we do not receive anything from these doctors. Call the office to confirm insurance, availability and that they are accepting new patients. In an emergency, call 911.

When to see a gastroenterologist

Common reasons

  • Heartburn and reflux
  • IBS, bloating and changes in bowel habits
  • Abdominal pain
  • Colon cancer screening
  • Liver concerns

Signs it may be time

  • Digestive symptoms keep coming back
  • You are due for colon cancer screening
  • Your primary care doctor referred you
  • You notice blood in your stool or unexplained weight loss (book promptly)

How to get the most from your gastroenterologist visit

1

Before: what to bring

  • A list of everything you take, including supplements, with how often
  • Your insurance card and photo ID
  • Recent lab results or imaging reports, if another clinician ordered them
  • A food and symptom diary from the last two to four weeks
2

During: questions to ask

  • What could be causing my symptoms?
  • Do I need a scope or other tests, and how do I prepare?
  • Which foods or habits should I track?
  • Which symptoms mean I should call sooner?
3

After: what to keep track of

  • What you ate and when symptoms started
  • Bowel changes, bloating and pain, in your own words
  • Stress and sleep, which often move with gut symptoms

After your visit

Keep the plan going between appointments

Digestive problems are about patterns: which meals, which days, how long. A symptom diary kept for a few weeks is often the single most useful thing you can bring back to your gastroenterologist. Emerge Care, free to download on iPhone, is built for exactly that: tell it how you feel in your own words, get plain answers with the source behind every fact, and walk into your next gastroenterologist appointment in Rockford with a one-page summary and your questions ready.

  • Log symptoms and side effects by talking
  • Answers that name their source
  • One-page visit summary PDF
  • Health records stay on your iPhone
Download on the App Store

Emerge Care never diagnoses or replaces your doctor.

Questions

How do I find a gastroenterologist in Rockford?

This page lists 25 gastroenterologists with a practice in Rockford, Illinois (ZIP codes 61103, 61104, 61107), from the federal NPI Registry. Call the office to confirm they take your insurance and are accepting new patients.

Do I need a referral to see a gastroenterologist in Rockford?

It depends on your insurance plan, not the state. HMO plans usually need a referral from your primary care doctor; many PPO plans do not. Check with your plan before booking.

What should I bring to my first gastroenterologist appointment?

A list of everything you take, including supplements, with how often; Your insurance card and photo ID; Recent lab results or imaging reports, if another clinician ordered them; A food and symptom diary from the last two to four weeks.

When should I start colon cancer screening?

US guidelines generally recommend starting at 45 for people at average risk, earlier with a family history. Ask your doctor what fits you.

Should I keep a food diary before my appointment?

Yes, if you can. Two to four weeks of meals and symptoms helps your doctor see patterns quickly.

Gastroenterologists in other Illinois cities

Other specialists in Rockford

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